USING OF SOLAR ENERGY FOR THE OPERATION OF A COOLING SYSTEM FOR THE HYDROPONIC IN THE GREENHOUSES

Document Type : Original Article

Authors

1 Agric. Eng. Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt.

2 Agric. Eng. Dept., Fac. of Agric., Ain Shams Univ., Cairo, Egypt.

Abstract

This research aims to study the effect of using the cooling and ventilation system on the production and quality of lettuce and mint crops in autumn and winter season. Two poly-greenhouse models were constructed at the Agricultural Engineering Research Institute (AEnRI), Al-Giza Governorate, Egypt (Latitude of 30.02˚ and longitude of 31.13˚ (. One of them was equipped with photovoltaic (PV) system to feed electrical load of greenhouse as cooling and ventilation control system (treatment) to control, the maximum and minimum temperature to control the interior climate and the other was a traditional greenhouse (control). The plants were planted in a greenhouse under a hydroponic system. Results of the experimental work shows that the specific approach of cooling and mechanical ventilation for lettuce and mint crop production enhances the rate of growth and increasing the fresh lettuce and mint yield by 52.88% and 49.91%, respectively comparing with control greenhouse.

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References

Aldrish, A.R.andBartok.w.J.(1994).greenhouse engineering. NRASE-33-3rd edition.
Arbel A, Barak M, Shklyar A (2003). Combination of forced ventilation and fogging systems forcooling greenhouses.BiosyEng 84:45–55. 
Awady, M.N., Hegazy, M.M., Abd El-salam, M.F.M.  and Tawfiq,F.D., (2007).Utilitzation of Non-Traditional Energy in Water Culture for Remote Areas, Misr Journal of Agricultural Engineering, Vol.24.No.1
Bar-Yosef, B., 2008.Fertigation management and crops response to solution recycling in semi-closed greenhouses. In: Raviv, M.,Lieth, H.(Eds), Soilless Culture, Theory and practices. Elsevier, Amsterdam,pp.341-424.
Buffington, D.E.; Bucklin, D.A.; Henley, R.W., and Mc Connell, D.B. (2002).Fansforgreenhouses, institute of food and agriculture science,universityofFlorida AE-11.
Gao, Z. (2012)."Dehumidification of greenhouse in cold regions".Thesis, degree of, Sc, Uni. of Saskatchewan.
Santosh, D.T., Tiwari, K.N., Singh, V.K., Raja, A., Reddy, G., (2017). Micro climate controlin greenhouse. Int. J. Curr. Microbiol. Appl.Sci6,17301742.http://dx.doi.org/10.20546/ijcmas.2017.603.199.
Abu-Hamdeh, N.H., Almitani, K.H., (2016). Solar liquid desiccant regeneration and nano-fluids in evaporative cooling for greenhouse food production in Saudi Arabia. Sol.Energy 134, 202–210.http://dx.doi.org/10.1016/j.solener.2016.04.048.
FAOSTAT[WWWDocument],(2014).<http://www.fao.org/faostat/en/#data/QC>(accessed 21.05.17).
HAMZA A.A. and TAHA, A.( 1995).Performance of submersible solar pumping system under conditions in Sudan.
Jensen,M.E.,(1983),Design and operation of farm irrigation systems. Amer. Soc. Agric. Eng. Michigan.USA P.827.
Kumar, K. S., K. N. Tiwari, and M. K. Jha. (2009). Design and technology for greenhouse cooling in tropical and subtropical regions: A review. Energy and Buildings, 41 (12): 1269-1275.
Marcel Fuchs, Ehud Dayan, Eugene Presnov. (2006).”Evaporative cooling of a ventilated greenhouse rose crop”, J. Agricultural and Forest Meteorology,issue138,pp203–215.
المراجع العربیة
إبراهیم محمد حلمی-2000. هندسة بیئة الصوب الزراعیة.قسم الهندسة الزراعیة - کلیة الزراعیة – جامعة الإسکندریة.
صلاح عبد اللطیف-1993. تصمیم وتشغیل أنظمة الزراعة المحمیة. قسم الهندسة الزراعیة - کلیة العلوم الزراعیة والاغذیة - جامعة الملک فیصل.

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